alt Hacker NewsJupiter's atmosphere is about 25% helium. And then there's the other gas giants, and the sun itself (also about a quarter helium)
We risk running out of cheap helium. But if you are willing to pay infinite money there is near-infinite helium
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exe34 • today at 9:01 AM
The rocket equation is a very harsh mistress.
Right now, even with infinite money, you have no way to extract helium from Jupiter and return it to Earth. (To say nothing of the Sun!)
Maybe with a couple hundred more years of technological development...
Our moon itself is said to have ~1M tons of very valuable Helium-3 in surface deposits, but even that's nigh impossible to harvest commercially right now.